import sys
from PyQt5.QtWidgets import (
    QApplication, QMainWindow, QWidget, 
    QGridLayout, QHBoxLayout, QVBoxLayout, QGroupBox,
    QPushButton, QLabel, QComboBox
)
from Main_Window import MainWindow

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())
